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小测验：选择正确的单词
- 论坛新贴
semitrailer ['semitreilə]
基本释义
- 半拖车; 双轮拖车
英英解释
1个名词解释
- a trailer having wheels only in the rear; the front is supported by the towing vehicle
[同] semi, semitrailer
- a trailer having wheels only in the rear; the front is supported by the towing vehicle